$56+ Cheap flights from Boise (BOI) to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Boise to ColoradoExplore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
Explore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:25 pm
BOI
- DEN
Nonstop2h 23m
Frontier
Sun 6/1410:29 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 4/23![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:25 pm
BOI
- DEN
Nonstop2h 23m
Frontier
Sun 6/2110:29 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 4/24![Frontier logo]()
$168
This Expedia deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:07 pm
BOI
- DEN
1 stop5h 52m
Multiple Airlines
Tue 6/910:29 am
DEN
- BOI
Nonstop2h 01m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$170
This Frontier deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Thu 5/2810:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/22![Frontier logo]()
$173
This Orbitz deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:28 pm
BOI
- DEN
1 stop5h 09m
Multiple Airlines
Tue 5/2610:25 am
DEN
- BOI
Nonstop2h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Sun 5/3110:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/20![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:19 pm
BOI
- DEN
1 stop5h 32m
Multiple Airlines
Tue 6/910:29 am
DEN
- BOI
Nonstop2h 01m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$177
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:25 pm
BOI
- DEN
Nonstop2h 23m
Frontier
Sun 6/2110:29 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 4/21![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:25 pm
BOI
- DEN
Nonstop2h 23m
Frontier
Tue 6/2310:29 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 4/21![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Sun 5/1710:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/23![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Thu 5/2110:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/21![Frontier logo]()
$186
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:45 pm
BOI
- COS
1 stop4h 44m
Delta
Mon 8/175:55 pm
COS
- BOI
1 stop6h 01m
Delta
Deal found 4/21![Delta logo]()
$269
Best flights from Boise to ColoradoDiscover carefully curated flight deals from Boise to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
Discover carefully curated flight deals from Boise to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 am
BOI
- DEN
1 stop6h 09m
Delta
Sat 5/305:30 am
DEN
- BOI
1 stop4h 02m
Delta
Deal found 4/23![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:15 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Sat 6/67:45 am
DEN
- BOI
Nonstop2h 00m
Southwest
Deal found 4/19![Southwest logo]()
$272
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:44 pm
BOI
- COS
1 stop6h 05m
United Airlines
Wed 8/195:30 am
COS
- BOI
1 stop4h 05m
United Airlines
Deal found 4/22![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:45 pm
BOI
- COS
1 stop4h 44m
Delta
Mon 8/175:55 pm
COS
- BOI
1 stop6h 01m
Delta
Deal found 4/23![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:23 pm
BOI
- DEN
1 stop8h 21m
Delta
Sat 5/305:30 am
DEN
- BOI
1 stop4h 02m
Delta
Deal found 4/20![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:00 am
BOI
- DEN
Nonstop2h 05m
United Airlines
Mon 7/207:34 pm
DEN
- BOI
Nonstop2h 01m
United Airlines
Deal found 4/19![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:25 pm
BOI
- DEN
1 stop7h 40m
Southwest
Mon 7/208:55 pm
DEN
- BOI
Nonstop2h 00m
Southwest
Deal found 4/23![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:46 pm
BOI
- COS
1 stop4h 20m
United Airlines
Sun 6/145:30 am
COS
- BOI
1 stop4h 15m
United Airlines
Deal found 4/21![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/274:10 pm
BOI
- DEN
1 stop7h 05m
Southwest
Sun 7/58:00 am
DEN
- BOI
Nonstop2h 05m
Southwest
Deal found 4/23![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
BOI
- DEN
1 stop3h 22m
Delta
Sat 6/65:30 am
DEN
- BOI
1 stop6h 41m
Delta
Deal found 4/23![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:00 am
BOI
- DEN
Nonstop2h 05m
United Airlines
Mon 5/117:15 pm
DEN
- BOI
Nonstop2h 02m
United Airlines
Deal found 4/22![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:25 pm
BOI
- DEN
Nonstop1h 55m
Southwest
Mon 7/278:55 pm
DEN
- BOI
Nonstop2h 00m
Southwest
Deal found 4/19![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 am
BOI
- DEN
1 stop5h 50m
Delta
Mon 7/206:39 pm
DEN
- BOI
1 stop5h 14m
Delta
Deal found 4/21![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
BOI
- COS
1 stop4h 35m
Southwest
Thu 7/92:20 pm
COS
- BOI
2 stops8h 35m
Southwest
Deal found 4/21![Southwest logo]()
$362
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:29 pm
BOI
- DEN
1 stop8h 13m
Delta
Sun 7/126:30 am
DEN
- BOI
1 stop5h 10m
Delta
Deal found 4/22![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:30 am
BOI
- MTJ
1 stop6h 11m
United Airlines
Tue 5/121:43 pm
MTJ
- BOI
1 stop4h 34m
United Airlines
Deal found 4/20![United Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:15 pm
BOI
- COS
1 stop5h 05m
Southwest
Tue 5/264:45 pm
COS
- BOI
2 stops7h 40m
Southwest
Deal found 4/21![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:40 pm
BOI
- COS
1 stop6h 10m
Southwest
Mon 5/112:15 pm
COS
- BOI
1 stop7h 35m
Southwest
Deal found 4/22![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:53 am
BOI
- COS
1 stop5h 47m
Delta
Sun 6/288:14 am
COS
- BOI
1 stop4h 01m
Delta
Deal found 4/24![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:50 pm
BOI
- COS
1 stop4h 45m
Southwest
Sat 7/257:55 pm
COS
- BOI
1 stop4h 30m
Southwest
Deal found 4/21![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:05 pm
BOI
- COS
1 stop4h 35m
Delta
Mon 6/298:14 am
COS
- BOI
2 stops10h 59m
Delta
Deal found 4/24![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:25 am
BOI
- MTJ
1 stop9h 05m
Southwest
Sun 6/288:00 am
MTJ
- BOI
1 stop7h 00m
Southwest
Deal found 4/23![Southwest logo]()
$463
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:35 am
BOI
- MTJ
2 stops10h 55m
Southwest
Mon 6/298:00 am
MTJ
- BOI
1 stop6h 45m
Southwest
Deal found 4/19![Southwest logo]()
$472
Last-minute flights from Boise to ColoradoDiscover last-minute flight deals from Boise to Colorado. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Colorado. Data last updated April 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:26 pm
BOI
- MTJ
1 stop5h 52m
United Airlines
Sat 5/97:00 am
MTJ
- BOI
1 stop6h 27m
United Airlines
Deal found 4/20![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:05 am
BOI
- MTJ
2 stops12h 50m
Southwest
Sat 5/98:30 am
MTJ
- BOI
2 stops13h 35m
Southwest
Deal found 4/20![Southwest logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Sun 5/1710:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/23![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:07 pm
BOI
- DEN
1 stop5h 52m
Multiple Airlines
Sun 5/1710:22 am
DEN
- BOI
Nonstop2h 05m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Thu 5/2110:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/21![Frontier logo]()
$186
This Orbitz deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:28 pm
BOI
- DEN
1 stop5h 09m
Multiple Airlines
Tue 5/2610:25 am
DEN
- BOI
Nonstop2h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:56 am
BOI
- DEN
1 stop8h 44m
Delta
Tue 5/265:30 am
DEN
- BOI
1 stop4h 02m
Delta
Deal found 4/21![Delta logo]()
$215
This Frontier deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Thu 5/2810:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/22![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Sun 5/2410:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/23![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Sun 5/3110:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/20![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Sun 5/3110:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 4/23![Frontier logo]()
$195
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:50 am
BOI
- COS
1 stop10h 35m
Southwest
Mon 6/18:00 pm
COS
- BOI
1 stop4h 45m
Southwest
Deal found 4/20![Southwest logo]()
$325
One-way flights from Boise to ColoradoSearch for one-way flight options from Boise to Colorado. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
Search for one-way flight options from Boise to Colorado. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 4/21![Frontier logo]()
$56
This Priceline deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 4/23![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:25 pm
BOI
- DEN
Nonstop2h 23m
Frontier
Deal found 4/23![Frontier logo]()
$73
This Booking.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 4/22![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 4/22![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 4/21![Frontier logo]()
$94
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 pm
BOI
- DEN
1 stop5h 52m
Delta
Deal found 4/20![Delta logo]()
$105
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:15 pm
BOI
- DEN
1 stop4h 15m
Southwest
Deal found 4/19![Southwest logo]()
$107
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:42 pm
BOI
- COS
1 stop3h 58m
Delta
Deal found 4/23![Delta logo]()
$159
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 pm
BOI
- COS
1 stop5h 30m
Southwest
Deal found 4/20![Southwest logo]()
$169
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:30 am
BOI
- MTJ
1 stop6h 13m
United Airlines
Deal found 4/20![United Airlines logo]()
$176
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:25 pm
BOI
- COS
2 stops9h 50m
Southwest
Deal found 4/23![Southwest logo]()
$180
Find flight deals from Boise to Colorado
Keep the following information in mind while searching for Boise to Colorado flight deals. Data was last updated April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Kiwi.com) |
One-way from | $56 (Kiwi.com) |
Popular in | April |
Cheapest in | October |
Average price | $363 |
Good round-trip deal | $371 or less |
Good one-way deal | $183 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2026.
Use the filters below to find and compare flights from Boise to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 5/27
5:45 am-11:54 am
1 stop6h 09m
Denver Intl
Sat 5/30
5:30 am-9:32 am
1 stop4h 02m
$237
BoiseColorado Springs
BOI - COS
BOICOS
Boise Air Term. Gowen Fld
Fri 8/14
5:45 pm-10:29 pm
1 stop4h 44m
Colorado Springs
Mon 8/17
5:55 pm-11:56 pm
1 stop6h 01m
$269
Quickest round-trip
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 6/2
3:15 pm-5:05 pm
Nonstop1h 50m
Denver Intl
Sat 6/6
7:45 am-9:45 am
Nonstop2h 00m
$272
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Fri 5/29
3:23 pm-11:44 pm
1 stop8h 21m
Denver Intl
Sat 5/30
5:30 am-9:32 am
1 stop4h 02m
$286
BoiseColorado Springs
BOI - COS
BOICOS
Boise Air Term. Gowen Fld
Tue 8/18
5:44 pm-11:49 pm
1 stop6h 05m
Colorado Springs
Wed 8/19
5:30 am-9:35 am
1 stop4h 05m
$289
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Sun 5/31
6:00 am-9:22 am
1 stop3h 22m
Denver Intl
Sat 6/6
5:30 am-12:11 pm
1 stop6h 41m
$301
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Mon 7/13
5:00 am-7:05 am
Nonstop2h 05m
Denver Intl
Mon 7/20
7:34 pm-9:35 pm
Nonstop2h 01m
$317
BoiseColorado Springs
BOI - COS
BOICOS
Boise Air Term. Gowen Fld
Sat 6/13
5:46 pm-10:06 pm
1 stop4h 20m
Colorado Springs
Sun 6/14
5:30 am-9:45 am
1 stop4h 15m
$317
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Fri 5/8
5:00 am-7:05 am
Nonstop2h 05m
Denver Intl
Mon 5/11
7:15 pm-9:17 pm
Nonstop2h 02m
$318
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Fri 7/17
3:25 pm-11:05 pm
1 stop7h 40m
Denver Intl
Mon 7/20
8:55 pm-10:55 pm
Nonstop2h 00m
$327
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Boise to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Boise with our price prediction graph.
BOI-DEN
BOI-COS
BOI-MTJ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to Colorado
BOI-USCO
BOI-DEN
BOI-COS
BOI-MTJ
How far ahead should I book a flight from Boise to Colorado?
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to Colorado. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boise to Colorado?
Currently, January is the cheapest month in which you can book a flight from Boise to Colorado (average of $26). Flying from Boise to Colorado in November is currently the most expensive (average of $75). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOI to CO?
Find hourly flight availability from Boise to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2026.
It’s optimal to fly from Boise to Colorado in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Boise to Colorado
Explore weekly flight availability from Boise to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 24, 2026.
The most flights from BOI to USCO are scheduled on a Wednesday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Boise to Colorado?
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated April 24, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Boise to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
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Alternative routes for Boise to Colorado
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Complete your trip
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Boise and Colorado flights
Browse other Boise and Colorado flight options. Last updated on April 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boise to Colorado flights
Consider these flights traveling from Boise to Colorado.
Top 5 airlines flying from Boise to Colorado
Discover the top 5 airlines that operate flights from Boise to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$52 | Average$126 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$271 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$154 | Average$273 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$165 | Average$371 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$408 | FlexibilityNo cancel fee | On-time63% |